What do chemical reactions, epidemics and vegetation have in common? More than you might think, says mathematician Mark van den Bosch (Leiden University). In his PhD research, he shows that even in systems that behave in chaotic and erratic ways, a surprising amount of order and structure can be fou…

The university bid farewell to its Rector Magnificus, Hester Bijl, on 13 January during the ‘Hester’s Highlights’ symposium.

The "Care and the Jewish Experience" Conference, organized by the Leiden Jewish Studies Network, hosted many talented young researchers alongside established scholars of different fields. Our guests got a chance to listen to a great presentation titled “Women of Valor: Tradwives and the Sacralization…

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

It was announced in December that a new draft urban development plan for the Humanities Campus is now ready. In drawing up this plan for the various buildings, outdoor space and traffic routes on campus, the facilities and layout of the buildings themselves were, of course, also considered. Discussions…

Like many others, Ruurd Halbertsma has had a rollercoaster of a year. His museum, the National Museum of Antiquities (RMO), was closed for a long while because of the lockdown. Visitor numbers picked up again from September, but it the next few weeks will be tense now the hospitals are full again. Halbertsma:…

From assistance in the event of natural disasters to peace-keeping missions. As a communication adviser, Leonoor van Poelgeest goes to all those destinations where the Royal Navy are active. Why did she choose this work and how has her Public Administration study helped her?

AI ultrasounds: LUC alumna empowers women in rural Africa

During Leiden City of Science 2022, Janet Grijzenhout and Hannah De Mulder will put multilingualism in the spotlight by organising multilingual storytelling afternoons. They hope to show parents that raising children multilingually is achievable as well as beneficial.

A delegation from Leiden University visited various universities in Japan at the end of March. The strong ties between the Netherlands and Japan are still based on a long tradition of knowledge exchange.

Guus Heerma van Voss, professor emeritus of labour law, delivered his farewell lecture on 18 October and held a mirror up to his colleagues and himself. Had they done enough to ensure the welfare state keeps up with the times? ‘Did we just stand by and watch?’

After two years of corona restrictions, it was ‘back to normal’ in 2022. Migration, elections, the history of slavery, Russia, and Ukraine were much-discussed topics. We compiled an overview of the most-read news items and other events of the past year.

AI is already widely being used in HR processes, but it’s unclear whether these applications contribute to fair and inclusive decision making. Leiden researcher Carlotta Rigotti is involved in BIAS, a big consortium research project that aims to provide answers and develop a new, trustworthy AI app…

Permission was recently given for all members of the examining committee and co-supervisors at PhD ceremonies to wear academic dress, even if they’re not full professors. How historic is this change?

On Friday 5 September, to mark our 450th anniversary we celebrated the opening of the faculty year together with the Leiden Revisited alumni event. Combining both annual events was a huge success, especially as staff brought along their family, partner or friends.

Op welke manieren kan inclusieve communicatie ervoor zorgen dat mensen zich welkom voelen? Hierover ging het D&I-symposium van Universiteit Leiden.

It is with great sadness that we have learned of the passing of our former colleague dr. Karin Willemse, who passed away on Saturday 18 March 2023.

Carmen Gonsalves has been the Dutch ambassador to Chile since this autumn. She studied history in Leiden. How useful has her degree been and what’s it like to be an ambassador? ‘Diplomacy is fascinating.’ We spoke to her just before the presidential elections.

The LUCAS Impact Committee, consisting of Jan van Dijkhuizen, Rick Honings, Casper de Jonge, Angus Mol, Thijs Porck and Aafje de Roest, has offered this year’s LUCAS Public Engagement Award to Dorine Schellens and Peter Verstraten.

A cancer pill, preferably without severe side effects, is something we’d all welcome. Is it a matter of time before such a pill is a reality? We put this question to three Leiden researchers and asked how they themselves are contributing to new cancer treatments.

On January 16, 2022, our respected and beloved colleague Prof. dr. Bas Edixhoven passed away after a short period of serious illness.

Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

Isabelle Duyvesteyn, Professor of International Studies and Global History at the Institute of History and member of the advisory board of Leiden University’s Centre for International Relations (LUCIR) is widely regarded as an expert on civil wars and conflicts. Her new book, Rebels and Conflict Escalation,…

The former Valkenburg airfield is steeped in history: the Romans defended their empire here, German forces landed here in 1940 and even the Cold War left its mark. Now thousands of homes are planned for the site. Students from Leiden and Delft are exploring how to make this past visible.

On Friday, June 28, 2024, emeritus professor Rudy B. Andeweg passed away. His passing marks the loss of an important figure within the field of political science, not only nationally, but internationally. Here we remember an outstanding researcher, inspiring teacher, capable administrator and an involved…

2025 was a year full of impact and milestones for FGGA: From a record number of graduates and new programmes to international collaborations, prestigious awards and research that pushes boundaries and provides insight into current challenges.

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

Eline Westra recently joined the Institute for History as a postdoctoral researcher in the NWA-funded project 'Dilemmas of Doing Diversity', under the supervision of Marlou Schrover. Below, she introduces herself.

Prof. dr. Pancras Hogendoorn is stepping down as dean of the Faculty of Medicine and vice-chair of the Executive Board of Leiden University Medical Centre (LUMC). He is also resigning from all associated secondary posts. Hogendoorn has taken his decision in anticipation of the findings of an inquiry…

Rüya Akdağ is part of a research team with the aim of further studying social anxiety. The Leiden psychologist receives the grant for her doctoral research on the role of emotions and cognition in the emergence and occurrence of social anxiety in adolescents.

On Wednesday, 30 August 2023, the graduation ceremony took place in Leiden University’s Academy Building. The ceremony was a momentous occasion, attended by distinguished guests, faculty members, and the proud families and friends of the graduates. The event celebrated the hard work, dedication, and…

Depression and anxiety disorders among youth are causing major problems worldwide. The mechanisms involved are still unknown, however. Moji Aghajani – Assistant Professor at the Institute of Education and Child Studies - aims to provide new insights with his research "Youth mental health meets big data…

From 13 to 24 June 2022, the Summer School on the European Union, the United Nations and Global Governance, supported by the Erasmus+ (Jean Monnet) Programme was held for the second time.

In November, Intigam Mamedov joined the Institute for History as a postdoctoral researcher. Below, he introduces himself.

What is 'teaching excellence' in Higher Education? Which different teaching excellence training, promotion and reward schemes exist across Europe? How can a common European teaching scheme look like? The e-NOTE project led by Leiden University seeks to answer these question in cooperation with five…

When Professor of Tax Law Jan Vleggeert delivered his inaugural lecture in Leiden University’s Academy Building on 30 October 2020, only 30 people were allowed to attend due to coronavirus measures. On 10 June 2022, Vleggeert was therefore given the opportunity to deliver a lecture to a much larger…

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A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

It is with sadness that we have learned of the passing of our former colleague professor Herman Schaper on Tuesday 30 November this year. Herman held the Pieter Kooijmans Chair in Peace, Law and Security at Leiden University from 2014 to 2017.

Leiden Law School and the Grotius Centre for International Legal Studies are very pleased to announce that Dr. Mamadou Hébié will be re-joining the Grotius Centre on the 1st of May 2021.

The results of the 2025 university elections are in. Who will represent us in the participation organs?

At a celebratory event, 25 Leiden University projects received a Kiem grant of up to €10,000 for an interdisciplinary research or education initiative. The grant was in demand, as no fewer than 91 projects applied this year.

'How can public leadership contribute sustainably to solving societal problems?'

Professor of rheumatology Annette van der Helm focuses her research on the earliest possible detection of inflammatory joint rheumatism to prevent symptoms from becoming chronic.

On May 8, the Faculty of Archaeology celebrated its yearly End of Academic Year Event. The event was a chance for staff and students to mingle, while enjoying a nice meal together.

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…

A grant from the JEDI Fund allowed university lecturer Jessie Morgan-Owens to design a lecture series on indigenous studies. ‘We filled a gap in the knowledge.’